FirstBank Puerto Rico holds $16.3B in deposits across 28 counties in 1 ranked market and 3 states. Its deposit footprint is concentrated: the top three counties (San Juan County, Miami-Dade County, Bayamon County) hold 56% of its deposits, and PR accounts for 81% of the total. It ranks among the three largest institutions in 26 of the 28 counties where it operates.
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Data as of June 30, 2025 (FDIC Summary of Deposits)
| County | Deposits | County’s % of Bank’s Deposits | Bank’s % of County Deposits | Branches | |
|---|---|---|---|---|---|
| 1. | San Juan County, PR | $6.5B | 39.5% | 11.7% | 18 |
| 2. | Miami-Dade County, FL | $1.6B | 9.7% | 0.8% | 7 |
| 3. | Bayamon County, PR | $1.1B | 7.0% | 35.2% | 8 |
| 4. | Saint Thomas County, VI | $858M | 5.3% | 35.6% | 3 |
| 5. | Guaynabo County, PR | $708M | 4.3% | 26.4% | 3 |
| 6. | Ponce County, PR | $686M | 4.2% | 30.4% | 3 |
| 7. | Carolina County, PR | $610M | 3.7% | 24.9% | 3 |
| 8. | Caguas County, PR | $587M | 3.6% | 28.5% | 3 |
| 9. | Mayaguez County, PR | $468M | 2.9% | 28.4% | 2 |
| 10. | Saint Croix County, VI | $319M | 2.0% | 29.2% | 3 |
| 11. | Cayey County, PR | $318M | 1.9% | 47.2% | 1 |
| 12. | Humacao County, PR | $275M | 1.7% | 30.7% | 1 |
| 13. | San Sebastian County, PR | $264M | 1.6% | 52.1% | 1 |
| 14. | Arecibo County, PR | $261M | 1.6% | 33.5% | 2 |
| 15. | Broward County, FL | $227M | 1.4% | 0.3% | 2 |
| 16. | Manati County, PR | $203M | 1.2% | 32.1% | 1 |
| 17. | Vega Baja County, PR | $186M | 1.1% | 43.3% | 1 |
| 18. | Aguadilla County, PR | $175M | 1.1% | 21.9% | 1 |
| 19. | Aguada County, PR | $148M | 0.9% | 48.8% | 1 |
| 20. | Dorado County, PR | $141M | 0.9% | 26.2% | 1 |
| 21. | Trujillo Alto County, PR | $122M | 0.7% | 22.1% | 1 |
| 22. | Yauco County, PR | $103M | 0.6% | 24.7% | 1 |
| 23. | Cabo Rojo County, PR | $97M | 0.6% | 28.0% | 1 |
| 24. | Fajardo County, PR | $96M | 0.6% | 25.3% | 1 |
| 25. | Canovanas County, PR | $88M | 0.5% | 32.3% | 1 |
| 26. | Saint John County, VI | $76M | 0.5% | 50.9% | 1 |
| 27. | Guayama County, PR | $62M | 0.4% | 15.3% | 1 |
| 28. | Toa Alta County, PR | $58M | 0.4% | 35.9% | 1 |
Deposits are as reported to the FDIC at branch level, June 30, 2025, and are nominal. “County’s % of Bank’s Deposits” is this county’s share of the institution’s total deposits; “Bank’s % of County Deposits” is this institution’s deposits as a percent of all deposits booked in that county. Counties within a Combined or Metropolitan Statistical Area link to their full profile; other counties are shown for completeness.
All 293 markets and the 1,533 counties within a CSA or MSA are covered in the Market Intelligence resource. See the methodology for how each figure is built and when to expect updates.